Digital imaging systems including image sensors having logarithmic response ranges and methods of determining motion

摘要

In at least one example embodiment, a method of determining motion in an image includes acquiring pixel data from a plurality of pixels in an image sensor, the plurality of pixels having respective response ranges, the response range of at least a first pixel of the pixels including a linear response range and a logarithmic response range, the plurality of pixels configured to produce pixel data according to light of the image in a scene and the response ranges and determining the motion based on the pixel data generated across the response ranges including the logarithmic response range of the at least first pixel.

主权项

1. A method of determining motion in an image, the method comprising:
acquiring pixel data from a plurality of pixels in an image sensor, the plurality of pixels having respective response ranges, the response range of at least a first pixel of the pixels including a linear response range and a logarithmic response range, the plurality of pixels configured to produce pixel data according to light of the image in a scene and the response ranges, pixel data of the first pixel having a logarithmic pixel data portion from the logarithmic response range and a linear response pixel data portion from the linear response range; and determining the motion by comparing the logarithmic pixel data portion from the logarithmic response range of the first pixel to a linear response pixel data portion from a linear response range of a second pixel of the plurality of pixels.